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发明名称
APERFEICOAMENTO EM PROCESSO E EM APARELHO PARA PRODUCAO DE FERRO FUNDIDO PARTINDO DE MINERIO DE FERRO
摘要
申请公布号
BR7506832(A)
申请公布日期
1977.05.17
申请号
BR19750006832
申请日期
1975.10.20
申请人
HEATRAN INC
发明人
BLOCK R;CHRISTENSEN J
分类号
C21C1/08;F27B1/20;(IPC1-7):C21C1/08
主分类号
C21C1/08
代理机构
代理人
主权项
地址
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